SM79164 Datasheet, PDF (21/26 Pages) SyncMOS Technologies,Inc – 8 - Bit Micro-controller with 64KB flash & 4KB RAM embedded

SyncMOS Technologies Inc.
June 2002
Tm.II External Data Memory Read Cycle
#PSEN
ALE
#RD
PORT 0
PORT 2
TYHLH
TLLYL
TLLDV
TRLRH
TAVLL
TLLAX
A0 - A7
from Ri or DPL
TRLDV
TRLAZ
TAVYL
TAVDV
P2.0 - P2.7 or A8 - A15 from DPH
TRHDZ
TRHDX
DATA IN
SM79164
A0 - A7
from PCL
INSTRL
IN
A8 - A15 from PCH
Tm.III External Data Memory Write Cycle
#PSEN
ALE
#WR
PORT 0
TLHLL
TLLYL
TAVLL
TLLAX
TQVWX
A0-A7
from Ri or DPL
TAVYL
TYHLH
TWLWH
TQVWH
DATA OUT
TWHQX
PORT 2
P2.0-P2.7 or A8-A15 from DPH
A0-A7
From PCL
INSTRL
IN
A8-A15 from PCH
Specifications subject to change without notice,contact your sales representatives for the most recent information.
21/26
Ver 1.4 SM79164 06/02